code: def test_scalar(self):
      for v in (-129, -128, 0, 1.2, numpy.inf):
          assert cupy.min_scalar_type(v) is numpy.min_scalar_type(v)
  
imports: import unittest
  import sys
  import numpy
  import pytest
  import cupy
  from cupy._core import core
  from cupy import testing
  from cupy_tests.core_tests import test_raw
label_desc: Use image node_id 1 for calling the TestMinScalarType obj's underlying member method code with example usage: obj.test_scalar() without return types